Driving under the influence of alcohol is a serious offence and attracts severe Massachusetts drunk driving penalties. The severity increases with the number of offence committed and within what period. Implied Consent law in this state makes it mandatory for all drivers to co-operate when they are stopped under the suspicion of dui. This co-operation means they must take the chemical test when asked to. Refusal to take the test will be treated as additional serious offence, which will attract additional penalties.